EP0730076A1 - Dispositif de ferme-porte - Google Patents

Dispositif de ferme-porte Download PDF

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Publication number
EP0730076A1
EP0730076A1 EP96102925A EP96102925A EP0730076A1 EP 0730076 A1 EP0730076 A1 EP 0730076A1 EP 96102925 A EP96102925 A EP 96102925A EP 96102925 A EP96102925 A EP 96102925A EP 0730076 A1 EP0730076 A1 EP 0730076A1
Authority
EP
European Patent Office
Prior art keywords
spring
door
piston
locking device
door locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96102925A
Other languages
German (de)
English (en)
Inventor
Andreas Doser
Georg Renner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Josef Gartner and Co
Original Assignee
Josef Gartner and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19541063A external-priority patent/DE19541063C2/de
Application filed by Josef Gartner and Co filed Critical Josef Gartner and Co
Publication of EP0730076A1 publication Critical patent/EP0730076A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/108—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with piston rod protruding from the closer housing; Telescoping closers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a door closing device for attachment in a door frame or door leaf.
  • a door locking device is known for example from CH-345 266.
  • This known door locking device has a housing which is installed recessed in a door frame or in a door leaf.
  • a coil spring acts in the closing direction via a locking mechanism with a universal joint arrangement on a connection device which is fixed to the opposite door leaf or door frame.
  • the helical spring is arranged around a hydraulically acting piston-cylinder arrangement, which acts as a damping device against the closing direction by means of a throttle device, the characteristics of which can be set in a relatively complex manner.
  • the problem on which the invention is based is to provide a door closer that is as universal as possible and compact.
  • the invention is based on the consideration that spring devices with a certain spring force must be used for such door closers. Due to the non-concentric arrangement of the spring device and the piston-cylinder arrangement, a helical spring with a smaller inner diameter can be selected without restrictions, so that the outer diameter of the helical spring decreases as the factor which decisively determines the width of the door closing device while the closing force remains the same. As a result, the entire width of the door closing device can be reduced considerably. At the same time, the provision of the individual gear elements according to the invention provides a flexible coupling of the spring device, the piston-cylinder arrangement and the connecting device.
  • the first gear element is designed as a spring rocker, the second gear element as a damper rocker and the third gear as a control cam and if the third gear element has at least one control curve for the spring rocker and for the damper rocker.
  • the opening and closing movements can be controlled even more individually if the control cam has a first control cam on which the spring rocker runs and a second control cam on which the damper rocker runs.
  • control curve section associated with the initial region of the door opening movement, increased opening damping in the initial region of the door opening can be achieved in a simple manner and at the same time the end stop for closing the door can be supported.
  • the first control cam for controlling the spring rocker has a control cam section which is assigned to the end region of the door opening movement and which is designed as a latching region, this makes it possible for the door to be latched in the door opening position without the need for further aids.
  • the spring rocker arm and the damper rocker arm are pivotably mounted on the housing, preferably about a common axis of rotation, independently of one another.
  • the dimensions of the piston-cylinder arrangement are not the determining factor for the design of the spring device, as is usually the case when the coil spring is arranged around the piston rod. It is therefore possible within the scope of the invention, for example, to arrange the spring device and the piston-cylinder arrangement one above the other in the installation direction. This would make the door closing device relatively high. It is therefore preferable to arrange the spring device and the piston-cylinder arrangement one behind the other. As a result, the installation depth increases somewhat, but the appearance visible from the outside remains reasonably compact.
  • the piston-cylinder arrangement preferably has a piston rod whose end opposite the piston can be brought into engagement with the damper rocker via a piston rod head, for which purpose a piston spring is provided which holds the piston against the damper rocker, and the spring device has a spring support rod, which can be brought into engagement with the spring rocker via a spring support rod head
  • a helical compression spring is arranged on the spring support rod and is supported with its one end on a spring contact surface of a spring guide head mounted on the housing and with its other end on the spring support rod head.
  • the circumference of the helical spring is preferably approximately equal to the width of the housing. This measure makes it structurally simple to further optimize the ratio of the width of the door closer to the closing spring force.
  • the position of the spring contact surface of the spring guide head is preferably adjustable relative to the housing in the axial direction of the helical compression spring, so that the basic closing force of the device can be suitably selected.
  • the axial adjustability is preferably achieved in that the spring guide head is mounted in the housing by means of an eccentric screw accessible from the outside and is adjustable in the axial direction by turning the eccentric screw. This results in easy handling.
  • the connecting device has an axially adjustable adjusting rod, preferably via a thread, which is connected on the one hand to the control cam and on the other hand to a connecting plate, this creates a possibility of the position of the locking area Control section of the first control curve to adjust the actual opening angle of the door.
  • This arrangement preferably creates a variable positioning of the latching area and thus the latching position of the door in a door opening angle range of 80 ° to 95 °.
  • the piston-cylinder arrangement has a first damping area for closing the door and a second damping area for the end stop for closing the door, then a slow closing of the door with relatively large damping and a fast powerful closing of the door with relatively low damping of the Door allows.
  • the cylinder of the piston-cylinder arrangement is formed in a block, which is supported on the housing.
  • the piston-cylinder arrangement must be manufactured with close tolerances; By separating the cylinder block from the housing, it can be achieved that the housing can be manufactured by means of a process with relatively high tolerances, for example aluminum die casting, while the cylinder block is manufactured with high tolerances, for example by aluminum extrusion with subsequent finishing.
  • the block is preferably supported on a cantilever element anchored in the housing.
  • a cantilever element anchored in the housing By means of a cantilever element anchored in the housing, the relatively high forces which occur as a result of the interaction between spring action and piston-cylinder arrangement can be absorbed well.
  • a particularly preferred type of anchoring is to design the cantilever element itself and the corresponding anchoring receptacle in the housing in the manner of a dovetail.
  • the first gear element is provided between the spring device and the third gear element
  • the second gear element is designed as a connecting member between the spring device and the piston-cylinder arrangement.
  • the door closing device 10 has a housing 11, a cylinder block 42 for receiving a piston-cylinder arrangement 13, a spring device 19 acting in the closing direction and a locking mechanism 35 with which the spring device 19 and the piston-cylinder arrangement 13 are connected via a common connecting member 20 and which ends in a connecting device 34.
  • the housing 11 is intended for installation (in direction A) in a door frame or door leaf, where it is fixed by screws which are held in corresponding receptacles 51.
  • the connecting device 34 which is formed from a connecting plate 33 fixed to the door and a fork receiver 32 connected to a universal joint arrangement 30, is fixed on the opposite door leaf or door frame. This is also done by means of screws which are held in corresponding receptacles 52 (see FIG. 2).
  • the locking mechanism 35 comprises a universal joint arrangement 30, a joint lever 25 which is pivotally connected to the universal joint device 30 in a joint lever pivot point 27 and which is pivotally supported on the housing 11 by means of a pivot pin 26, and a control lever 22 which is articulated to the articulated lever 25 in a control lever articulation point 23.
  • the control lever 22 is pivotally connected to a connecting member 20.
  • the connecting device 34 is lifted from the housing 11 installed in the door frame counter to the installation direction A, as a result of which the locking mechanism 35 raises or lowers the connecting member 20 (the directions given apply to a door closer installed in accordance with the figures).
  • the locking mechanism is advantageously supported on the housing via a pivot, which is preferably arranged closer to the axis of the screw rod than to the piston rod.
  • the pivot is therefore preferably arranged correspondingly closer to the visible wall of the door closing device, which leads overall to more favorable lever ratios.
  • the housing 11 is provided on the back with a recess through which a flange 41 is formed which is oriented transversely to the stroke direction of the connecting member 20.
  • a screw rod 15 is rigidly connected to the connecting member 20 and extends from the housing 11 and beyond the flange 41 in the stroke direction of the connecting member 20.
  • the screw rod 15 is provided with an external thread onto which a driver 28 designed as a nut is screwed is, the outside is designed to be suitable for attaching a suitable tool.
  • a helical compression spring 17 is on the screw rod 15 between the flange 41 and a spring contact surface 29 of the spring guide head Driver 28 clamped.
  • the screw rod 15 and thus the driver 28 are raised accordingly, so that the helical compression spring 17 is compressed between the flange 41 and driver 28 with the development of a closing force.
  • the spring device 19 is thus formed by the screw rod 15, the helical compression spring 17 and the driver 28.
  • an L-shaped block 42 is fixed on the housing 11.
  • the longer leg of the block 42 extends parallel to the spring arrangement 19 towards the flange 41.
  • the shorter leg extends against the installation direction A under the spring device 19 towards the lower part of the housing 11 and is provided with a guide bore for receiving the lower part of the screw rod 15 (not shown).
  • a dovetail-like groove is formed, into which a correspondingly designed cantilever element 43 is inserted, the cantilever arm of which extends under the short leg of the block 42.
  • the block 42 is further fixed to the housing 11 by means of two screws 60, 61.
  • One screw 60 extends through a corresponding receptacle 54 (see FIG. 2) in the housing 11 and through the anchoring section of the cantilever element 43.
  • the other screw 61 extends from above through a corresponding receptacle in the part of the housing forming the flange 41 11.
  • the block 42 which can thus be fixed on the housing 11, is provided with a continuous cylinder bore 37 (see FIGS. 3 and 4).
  • a piston rod 14 is fixed to a section of the connecting member 20 extending above the cylinder bore 37 by means of a rotary joint 21.
  • lifting movements of the connecting member 20 lead to corresponding lifting movements of a piston 16 arranged at the other end of the piston rod 14 in the cylinder bore 37.
  • the upper end of the cylinder space 37 is sealed against the piston rod 14 by a sleeve (not shown).
  • the cylinder space 37 is sealed at the lower end by a screw plug 44.
  • the piston-cylinder arrangement has a throttle device 50 (see FIG. 4), the characteristics of which (closing speed, end stop, etc.) can be influenced in a manner known per se by appropriate setting elements 46, 47.
  • the door closing device 10 has a fixing device 40 (see FIG. 4) which essentially consists of a threaded pin which can be screwed into a threaded hole 53 (see FIG. 2) in the housing 11. If the setscrew is screwed in with the door correspondingly wide open, it engages behind the connecting member 20 and thus causes the door shooting device to be fixed in this position.
  • the door locking device can thus be easily installed and removed. It is preferably delivered in such a fixed state.
  • the helical compression spring 17 when the door is opened, the helical compression spring 17 is compressed, the piston-cylinder arrangement 13 being designed such that the opening movement does not substantially counter any additional pressure, that is to say the hydraulic fluid contained therein is relatively unimpeded by that over the piston 16 located part of the cylinder bore 37 can flow in the underlying.
  • the helical compression spring causes the driver 28 and thus the connecting member 20 to be pressed downward. This will close the door by means of Closing gear 35 and the connection device 34 connected to the door.
  • the closing process is now dampened by the piston-cylinder arrangement 13. This is because the backflow of the hydraulic fluid from the part of the cylinder bore 37 located under the piston 16 into the part above it is suitably throttled by the adjustable throttle device 50, so that a pleasant closing process results.
  • the spring device 19 and the piston-cylinder arrangement 13 are arranged one behind the other in the installation direction A. Furthermore, the helical compression spring 17 is supported in an exposed manner, so that its outer diameter can approximate the overall width of the housing 11.
  • the screw rod 15 can be dimensioned relatively thin, so that the ratio of the housing width to the spring force is optimized. With the usual requirements for the closing force, a particularly narrow door closer can be built. A typical housing width is e.g. at 20 or 24 mm. It is thus clear that the door closer according to the invention can also be installed in relatively thin door leaves (e.g. 40 mm) or in folded door leaf-door frame arrangements, which contributes to its universality.
  • the piston-cylinder arrangement 13 By forming the piston-cylinder arrangement 13 in a block 42 separate from the housing 11, the part to which high tolerance requirements are to be imposed. kept relatively small.
  • the housing 11 are manufactured in the aluminum die casting process, in which the tolerances are relatively high.
  • the block 42 is first rough-machined from an extruded aluminum piece and then finely machined, so that the required tolerances can be achieved.
  • the dovetail connection between the cantilever element 43 and the housing 11 leads to the block 42 being securely supported on the housing 11 despite the high forces that occur.
  • the additional screw connections increase the strength and the accuracy of the position of the block 42 with respect to the housing 11.
  • the locking gear 35 is designed so that, on the one hand, there is a lever ratio, because the control lever pivot point 23 is arranged much closer to the pivot pin 26 than at the articulated lever pivot point 27, and on the other hand, the locking gear 35 influences the damping characteristic of the door closer 10, because the locking gear 35 is formed so that during an opening movement of the door during the circular movement of the control lever pivot point 23 an axial and then a radial movement component with respect to the stroke axis (extension of the screw rod 15) predominates.
  • the spring closing force is opposed by a relatively small hydraulic resistance in the initial region of the closing movement and a relatively large hydraulic resistance in the end region. The closing movement of the door is initially faster and then slower.
  • FIGS. 6 to 9 show a second, particularly preferred embodiment of the door closing device according to the invention. Individual elements of this embodiment, which are also contained in the first embodiment described in connection with FIGS. 1 to 5, are provided with the reference numerals each increased by the value 100.
  • the locking mechanism 135 of this door locking device 110 has a control cam 62 as well as a spring rocker 60 designed as a cam follower and a damper rocker 61 designed as a cam follower.
  • the spring rocker arm 60 and the damper rocker arm 61 are pivotably mounted on the housing 111 about a common axis of rotation 67 independently of one another.
  • one of the two rockers is provided with a fork-shaped bearing boss and the other rocker is provided with a bearing boss which can be inserted into the space formed by the fork-shaped bearing boss, the axis of rotation 67 passing through a transverse bore in the bearing bosses of the two rockers and being supported in corresponding bearing bores in the housing 111 .
  • the spring rocker 60 has one pointing away from the axis of rotation 67 Swivel arm, the lower edge (with respect to the view shown in Fig. 6) is provided with a rolling surface 60 '.
  • the rolling surface 60 ' is in meshing engagement with a roller gear 115''mounted in a spring support rod head 115' provided at the upper end of the spring support rod 115 '.
  • a corresponding sliding surface can also be provided on the spring support rod head 115 ′.
  • a roller 60 ′′ is rotatably mounted in a forked bearing of the spring rocker 60, which rolls on a first cam 63 of the control cam 62 (see FIG. 9).
  • the damper rocker arm 61 is provided with a lower sliding surface 61 'which is in sliding contact with a piston rod head 114' which is provided at the upper end of the piston rod 114 of the piston-cylinder arrangement 113.
  • a piston spring 116 ' provided in the lower region of the cylinder of the piston-cylinder arrangement 113, which presses the piston 116 upward with the aid of force on a screw plug 113' screwed into the housing 111, the piston rod head 114 'is constantly in contact with the sliding surface 61 'of the damper rocker 61 held and adjusted accordingly.
  • the swivel arm of the damper rocker 61 is fork-shaped and rotatably receives a roller 61 ′′ in the fork, which runs on a second cam 64 of the control cam 62.
  • the spring device 119 is provided at its lower end with a spring guide head 128 which has an upper spring contact surface 129 on which the helical compression spring 117 is supported.
  • the spring guide head 128 can be adjusted in the axial direction of the helical compression spring 117 by means of an eccentric screw 70, which penetrates the spring guide head 128 essentially at right angles to the axis of the helical compression spring 117 and is mounted in the housing 111.
  • the eccentric screw 70 can be actuated from the front side of the housing (see FIG. 8), so that the spring force and thus the closing torque of the door also is adjustable when the door locking device is installed.
  • the damping characteristic of the piston-cylinder arrangement can be adjusted by a damping regulating screw 146 as well as by an end stop regulating screw 147, the respective free cross-sections for the flow of the damping liquid in the piston-cylinder arrangement 113 between the two sides of the Determine piston 116 located cylinder chambers adjustable.
  • the damping regulating screw 146 and the end stop regulating screw 147 are also accessible from the end face of the housing 111, as can be seen from FIG. 8. This closing speed control can be thermally stabilized.
  • connection device 134 is constructed in principle as in the first exemplary embodiment, but the universal joint arrangement 130 provided on the connecting plate 133 is provided with an adjusting rod 131 which connects the universal joint arrangement 130 to the control cam 62 in an articulated manner.
  • the adjusting rod 131 is axially adjustable by means of an adjusting nut 131 ', so that the distance between the articulation point of the adjusting rod 131 on the control cam 62 and the connecting plate 133 is adjustable in length.
  • the angular position of the control cam 62 within the locking mechanism 135 is changed, as a result of which a latching position of the door described below can be adjusted within an angular range of approximately 80 ° to 95 ° door opening angle.
  • control cam 62 is shown enlarged to explain the control curves provided on it.
  • the first control curve 63 which is in rolling engagement with the rolling roller 60 ′′, is spatially separated from the second control curve 64, which is in rolling engagement with the rolling roller 61 ′′.
  • the end area of the second control curve 64 and the start area of the control curve 63 can overlap slightly.
  • a steeper control curve section 65 is provided which corresponds to the Initial area of the door opening movement is assigned.
  • a greater pressure resistance must first be overcome when the door is opened, since the force to pivot the control cam due to the steeper cam section 65 against the force of the helical compression spring 117 is greater than in the remaining part of the first control curve 63.
  • a latching area 66 is formed, which holds the roller 60 ′′ in an over-center position, whereby the door is latched in its open position.
  • This over-center position can only be overcome again by the targeted application of a closing force to the door, as a result of which the rolling roller 60 ′′ returns to the first control cam 63 outside the locking area 66 and the closing movement of the door then proceeds in the usual manner.
  • the control cam 62 is provided with a lateral opening 62 ', into which a locking bolt 62' 'is inserted, preferably screwed in, as a transport and assembly lock.
  • the locking bolt 62 ′′ projects beyond the end wall of the housing and penetrates an elongated hole opening 111 ′ in the housing 111.
  • the pivoting force applied by the helical compression spring 117 to the control cams 62 and acting clockwise in FIGS. 6 and 7 ensures that that the locking pin 62 '' is supported on the upper edge of the elongated hole 111 'and thus locks the locking mechanism in a position which corresponds approximately to a door opening angle of 80 °. This enables the door locking device to be installed.
  • Combinations of the first and second embodiment devices described are further variants of the door closing device according to the invention conceivable, for example, an embodiment in which the cam control of the piston-cylinder unit is replaced by the fixed coupling of the piston-cylinder unit with the spring device from the first embodiment.

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  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP96102925A 1995-03-03 1996-02-27 Dispositif de ferme-porte Withdrawn EP0730076A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19507521 1995-03-03
DE19507521 1995-03-03
DE19541063A DE19541063C2 (de) 1995-03-03 1995-11-03 Türschließvorrichtung
DE19541063 1995-11-03

Publications (1)

Publication Number Publication Date
EP0730076A1 true EP0730076A1 (fr) 1996-09-04

Family

ID=26013006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102925A Withdrawn EP0730076A1 (fr) 1995-03-03 1996-02-27 Dispositif de ferme-porte

Country Status (1)

Country Link
EP (1) EP0730076A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7356878B2 (en) * 2004-06-12 2008-04-15 Samuel Heath & Sons Plc Door closer
CN109236082A (zh) * 2018-08-20 2019-01-18 吕景斌 一种具有调节缓冲角度的铰链

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE489907C (de) * 1928-03-24 1930-01-24 August Kaprolat Tuerschliesser mit Fluessigkeitsbremse
US3335451A (en) * 1965-04-23 1967-08-15 Independent Lock Co Linear acting door closer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE489907C (de) * 1928-03-24 1930-01-24 August Kaprolat Tuerschliesser mit Fluessigkeitsbremse
US3335451A (en) * 1965-04-23 1967-08-15 Independent Lock Co Linear acting door closer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7356878B2 (en) * 2004-06-12 2008-04-15 Samuel Heath & Sons Plc Door closer
CN109236082A (zh) * 2018-08-20 2019-01-18 吕景斌 一种具有调节缓冲角度的铰链

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